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Fri, 17 Oct 2025 13:12:03 -0700 Date: Fri, 17 Oct 2025 13:12:02 -0700 From: Nicolin Chen To: kernel test robot CC: , , , , , , , , , , , , , Subject: Re: [PATCH v3 3/7] iommu/arm-smmu-v3: Introduce a per-domain arm_smmu_invs array Message-ID: References: <345bb7703ebd19992694758b47e371900267fa0e.1760555863.git.nicolinc@nvidia.com> <202510172156.WHU485ad-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <202510172156.WHU485ad-lkp@intel.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D8:EE_|MW6PR12MB9018:EE_ X-MS-Office365-Filtering-Correlation-Id: f1c04a5b-3e78-421e-ac3e-08de0db97892 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|376014|7416014|1800799024|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?oSUbwoXwsoIf15yj7yzHHZX7UJwkLuA17+Dsr4YwZUP+7dWsUpI6a3l++aBU?= =?us-ascii?Q?2cDvsUn90Dag9OXKbeXplnel8hTYcMHGqCD2GvQby3HrW6Ou4XgwKT2+F4+Q?= =?us-ascii?Q?ej+phtEssFCehLzo5MmF4zTU0hr9cKZlHy6EMxaWXD27Fat2s+h2fG0VjmB9?= =?us-ascii?Q?etDABlRwkgH4SEpPggwq2ivR67gTn6SpHWW1atg58fMAglHIba3bcIeN6VeI?= =?us-ascii?Q?pQhTechXcJNwOJVJZNEddS0aqp6TiBT9+oUUjw72kIr4ZD7Rqpwu/FvkH6dU?= =?us-ascii?Q?w1ISgZbaVPExEirQCMI0gTG53nwgvFUloaQlJOJBcXqRl0QCVYx6t/1o+FXz?= =?us-ascii?Q?lNbkHGR0vNRU40g7U/E3TJ6Any1INoZQMyAfhIwyuHA3ExKuDt/XojlhFBC8?= =?us-ascii?Q?aI+XyTdyicKexz5aauMEdSIIYO/SQz9bpMpmMy/9h0A/wYVN0/Dp2Yqi6YpR?= =?us-ascii?Q?pZOHuUimnl02X8iDOq7RjMWRe0j+NA8CtyMY0RfwUUPeylO+OcNNFviT2khe?= =?us-ascii?Q?6jcHri9ZbUitX79x1ZP4bOnjR1/f1Hgs+d3Q1xAzmOTIQyWk/VoYpRvg7vVZ?= =?us-ascii?Q?z55JpDV2LdOwpN+962+mAj2TgNhS3AdQtxKGQXGHJz7XdwrjNCVLzezzpPmi?= =?us-ascii?Q?hIFSX5TUZYOMLC9MvHEV1k1CDDHovocWO+DLQdRSIx4142xglTpt//gUS20s?= =?us-ascii?Q?pT9hmK+l/d9Ql9eIo6niBwLS2FsUJKiEwLrGhyahr6A88CQ61fs3WEHDaoWQ?= =?us-ascii?Q?3Dc4V/T++qUY9C6baQ2JUiw49Bw4hTmI1dapFjZxv6TkM6GpqsE6+xdsvrfp?= =?us-ascii?Q?b8lCE8mVUhM69hWnTkMnZMs6ZDp7uGTxcOoKf4RDqaVtqz/SbdmtO+aqLoe7?= =?us-ascii?Q?YyVqr1ZdvjXIrHF3iLn4SUsj+8eKgQ9OS1B62//d/EYLDqpM8j4kljxlFr9z?= =?us-ascii?Q?PxW9vsOFNllpumhLjf2tlaJkcSRrU1p4BTkvQJe8cW0A/QHYSonMbMditED0?= =?us-ascii?Q?E4/iAH9pxojKg93z1KMwqe5PKrN+/U0o2xG9CnKFcSgRBViVVnFZ+FCa2S8R?= =?us-ascii?Q?5mskVj6+/rPOvulp9J81tAXHCgc77zGOeCt2200nAtV8Egd/A0TVswdrUyc+?= =?us-ascii?Q?y/zqJ2MVlABX3JOZjwcFxwTrqyd5O36b1GKZ/GKccj9/cpsxHlAIr/ApbEpb?= =?us-ascii?Q?mBQcCKKv7eD89eElrIA0rVBf4UawdahUqmp5p/MkQ8Wnt8VGnvxKPt4dAHbw?= =?us-ascii?Q?b0iVsEyGsawJiIdtB528kxLN6WHANtjSG1RtkD874JRpgEsRAKPrkSs0wvIj?= =?us-ascii?Q?ltjHWcZS3gbKrDSEi/FGKIsBrQZUunye9fOcFKnA1R3q4BmH0w/YWaHHbnio?= =?us-ascii?Q?EO8yvJK0tG9wjgtshl359EYVkn/q74Mc0Sb6iXyrpioUCzmmq9exXHYAdHaG?= =?us-ascii?Q?foiUL7e3ivkCrBtcDBIKGxdtYIQ3HZQHCduSdOenExaE7+sojHg7A6y4Czz2?= =?us-ascii?Q?J9pYlnHhJtzm6F6zEIPNmTLfoqAowU/mZwbfdszvPFKe6+wiCWMRNGWa+jlZ?= =?us-ascii?Q?fH+EaOcSFJvXCV2m2Sc=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700013)(376014)(7416014)(1800799024)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2025 20:12:17.4574 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f1c04a5b-3e78-421e-ac3e-08de0db97892 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS3PEPF000099D8.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW6PR12MB9018 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251017_131232_616712_9BB29924 X-CRM114-Status: UNSURE ( 8.18 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Oct 17, 2025 at 09:47:07PM +0800, kernel test robot wrote: > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c: note: in included file: > >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h:1048:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct callback_head *head @@ got struct callback_head [noderef] __rcu * @@ > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h:1048:9: sparse: expected struct callback_head *head > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h:1048:9: sparse: got struct callback_head [noderef] __rcu * > >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h:1048:9: sparse: sparse: cast removes address space '__rcu' of expression ... > 1045 > 1046 static inline void arm_smmu_domain_free(struct arm_smmu_domain *smmu_domain) > 1047 { > > 1048 kfree_rcu(smmu_domain->invs, rcu); Looks like it should be: static inline void arm_smmu_domain_free(struct arm_smmu_domain *smmu_domain) { - kfree_rcu(smmu_domain->invs, rcu); + struct arm_smmu_invs *invs = rcu_dereference(smmu_domain->invs); + + kfree_rcu(invs, rcu); kfree(smmu_domain); } Will fix. Thanks Nicolin